Only the infinite historical experiences of teeming Terra offered a guide to the problems to be faced by the future imitators of Christopher Columbus and Captain Cook.

This was very obvious in the case of the fifth planet-colony to be visited by the recontact ship Daedalus. For the struggle for food had become bitter and hard and the main human colony had slid back to grim fundamentals. The Earth parallel lay in the presence across an 'impassable' ocean of another continent, another human colony, long isolated and alienated. The solution was there - the voyage had to rival that of Columbus - and all the clever science brought from far-away Earth would be no substitute for old-fashioned courage and pioneering risk.

Ecology, psychology, and oceanography supply the framework that makes BALANCE OF POWER memorable - and timely."

Condition: Cover wear. Pages are age toned and some have creases. 
Price: 3.00 USD

But down there, in the lamplit “sky” of the old surface, life had persisted. Men existed, and semi-men, and things that never were men . . . and nobody in the sunlight above knew of them – until disturbing dreams began to intrude and visions bothered a few sensitive minds.

One man investigated. One man went down to that forgotten basement of the Earth and thereby uncovered the grave of the world that was – and let its transformed phantoms glimpse the light above.”

Condition: Reading copy. First few pages have teeth marks on top outside corner. Cover has rubbing wear, creases, teeth marks on top outside corner, and wear to the edges and corners. 
Price: 1.00 USD